<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>尺寸【溢出】与单位</title>
		<style>
			/*单位：px  %  pc端*/
			/* div{
				width: 200%;
				height: 200px; /*？ 高度  div元素：区域--有宽没高*/
				/*background: red;
			} */
			/*overflow溢出属性:主要解决浮动塌陷*/
			div{
				width: 400px;
				height: 100px;
				border: 1px solid red;
				/*background: black;*/
				/* overflow: auto; */ /*溢出：隐藏 hidden
				                          溢出加滚动条scroll
										  自动加滚动条auto
				*/
			   /*练习：加横纵向轴滚动条*/
			   overflow-y: scroll;
			   overflow-x: hidden;
			}
			p{
				width: 800px;
				
			}
			
		</style>
	</head>
	<body>
		<!-- div理解为水杯 -->
		<div>
			<!-- p 理解为水 -->
			<p>
				<img src="img/p_small_001.jpg" alt="">
				<img src="img/p_small_002.jpg" alt="">
				<img src="img/p_small_003.jpg" alt="">
				<img src="img/p_small_004.jpg" alt="">
				<img src="img/p_small_005.jpg" alt="">
				<img src="img/p_small_006.jpg" alt="">
				<img src="img/p_small_007.jpg" alt="">
			</p>
		</div>
		<!-- <div></div> -->
	</body>
</html>